Better distinguish didFinishLoad and didStopLoading

third_party/WebKit/public/web/WebFrame.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 406 matching lines @@
     virtual void dispatchWillSendRequest(WebURLRequest&) = 0;
 
     // Returns a WebURLLoader that is associated with this frame.  The loader
     // will, for example, be cancelled when WebFrame::stopLoading is called.
     // FIXME: stopLoading does not yet cancel an associated loader!!
     virtual WebURLLoader* createAssociatedURLLoader(const WebURLLoaderOptions& = WebURLLoaderOptions()) = 0;
 
     // Returns the number of registered unload listeners.
     virtual unsigned unloadListenerCount() const = 0;
 
+    // Will return true if between didStartLoading and didStopLoading notifications.
+    virtual bool isLoading() const;
+
 
     // Editing -------------------------------------------------------------
 
     // Replaces the selection with the given text.
     virtual void replaceSelection(const WebString& text) = 0;
 
     virtual void insertText(const WebString& text) = 0;
 
     virtual void setMarkedText(const WebString& text, unsigned location, unsigned length) = 0;
     virtual void unmarkText() = 0;
@@ skipping 299 matching lines @@
     WebPrivateOwnPtr<OpenedFrameTracker> m_openedFrameTracker;
 };
 
 #if BLINK_IMPLEMENTATION
 Frame* toCoreFrame(const WebFrame*);
 #endif
 
 } // namespace blink
 
 #endif